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| Table 1. Selected Characteristics | Census 2000 | 2007-2009 ACS | 2010 Census | 2010-2012 ACS | Is the numeric change between Census 2000 and 2010-2012 ACS Significant? ** |
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|---|---|---|---|---|---|---|---|---|
| Value | MOE(+/-) | Value | MOE(+/-) | Value | Value | MOE(+/-) | ||
| Total Persons 1 | 793,633 | -- | 768,619 | -- | 783,969 | 786,363 | -- | -- |
| Persons in Households 2 | 770,858 | 711 | 745,108 | -- | 760,197 | 764,779 | -- | -- |
| Total Households 3 | 283,692 | 611 | 276,275 | 2,203 | 283,712 | 276,592 | 1,610 | Yes |
| Average Number of Persons per Household 4 | 2.72 | 0.01 | 2.70 | 0.02 | 2.68 | 2.77 | 0.01 | Yes |
| Average Household Income 5 | $68,665 | $611 | $84,073 | $1,519 | -- | $84,351 | $1,561 | Yes |
| Average Number of Vehicles per Household 6 | 1.26 | 0.01 | 1.29 | 0.02 | -- | 1.27 | 0.02 | No |
| Percent of Persons in Poverty 7 | 15.60 | 0.20 | 14.30 | 0.63 | -- | 17.10 | 0.60 | Yes |
| Percent Minority 8 | 55.50 | 0.30 | 56.80 | 0.45 | 57.40 | 56.90 | 0.41 | Yes |
| Percent of Persons 65 and Over 9 | 11.90 | 0.20 | 11.60 | 0.27 | 11.50 | 11.70 | 0.25 | No |
| Percent of Persons Foreign Born 10 | 21.20 | 0.20 | 23.20 | 0.54 | -- | 25.10 | 0.57 | Yes |
| Total Workers at Place of Residence11 | 336,519 | 2,105 | 365,080 | 3,585 | -- | 346,032 | 3,196 | Yes |
| Table 2a. Mode to Work 12 | CTPP2000 | 2007-2009 ACS | 2010-2012 ACS | Is the numeric change between CTPP 2000 and 2010-2012 ACS Significant? ** |
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|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| Total Workers | 328,215 | 100.0 | 2,098 | 345,170 | 100.0 | 3,635 | 336,841 | 100.0 | 3,361 | Yes |
| Drove alone | 201,770 | 61.5 | 1,855 | 212,366 | 61.5 | 3,648 | 207,537 | 61.6 | 3,696 | Yes |
| 2-person Carpool | 28,260 | 8.6 | 789 | 21,650 | 6.3 | 1,902 | 21,565 | 6.4 | 1,307 | Yes |
| 3-or-more-person Carpool | 11,030 | 3.4 | 499 | 11,234 | 3.3 | 1,304 | 8,797 | 2.6 | 978 | Yes |
| Transit | 59,895 | 18.2 | 1,125 | 68,217 | 19.8 | 2,165 | 67,913 | 20.2 | 2,394 | Yes |
| Bike | 500 | 0.2 | 107 | 385 | 0.1 | 185 | 732 | 0.2 | 250 | No |
| Walked | 13,920 | 4.2 | 559 | 15,234 | 4.4 | 1,176 | 14,555 | 4.3 | 1,369 | No |
| Taxi, Motorcycle and Other means | 3,725 | 1.1 | 291 | 6,530 | 1.9 | 925 | 5,327 | 1.6 | 817 | Yes |
| Worked at Home | 9,105 | 2.8 | 454 | 9,554 | 2.8 | 846 | 10,415 | 3.1 | 791 | Yes |
| Table 2b. Mode to Work 12 | CTPP2000 | 2007-2009 ACS | 2010-2012 ACS | Is the numeric change between CTPP 2000 and 2010-2012 ACS Significant? ** |
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|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| At Place of Work | ||||||||||
| Total Workers | 354,185 | 100.0 | 2,118 | 373,723 | 100.0 | 5,514 | 360,835 | 100.0 | 5,623 | Yes |
| Drove alone | 244,115 | 68.9 | 1,966 | 256,108 | 68.5 | 4,944 | 248,565 | 68.9 | 4,923 | No |
| 2-person Carpool | 29,925 | 8.4 | 811 | 26,617 | 7.1 | 1,834 | 23,411 | 6.5 | 1,473 | Yes |
| 3-or-more-person Carpool | 10,385 | 2.9 | 484 | 11,031 | 3.0 | 1,338 | 9,539 | 2.6 | 1,169 | No |
| Transit | 40,950 | 11.6 | 942 | 46,186 | 12.4 | 2,096 | 44,672 | 12.4 | 2,017 | Yes |
| Bike | 595 | 0.2 | 117 | 440 | 0.1 | 199 | 772 | 0.2 | 271 | No |
| Walked | 13,830 | 3.9 | 557 | 14,670 | 3.9 | 1,161 | 15,285 | 4.2 | 1,397 | No |
| Taxi, Motorcycle and Other means | 5,280 | 1.5 | 346 | 9,117 | 2.4 | 1,218 | 8,176 | 2.3 | 1,182 | Yes |
| Worked at Home | 9,105 | 2.6 | 454 | 9,554 | 2.6 | 846 | 10,415 | 2.9 | 791 | Yes |
| Table 3. Mean Travel Time by Mode to Work 13 | Census 2000 | 2007-2009 ACS | 2010-2012 ACS | Is the change in travel time between Census 2000 and 2010-2012 ACS Significant? ** |
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|---|---|---|---|---|---|---|---|
| Minutes | MOE(+/-) | Minutes | MOE(+/-) | Minutes | MOE(+/-) | ||
| At Place of Residence | |||||||
| Total Workers (does not include workers who worked at home) | 31.2 | 0.2 | 31.0 | 0.6 | 32.4 | 0.6 | Yes |
| Drove alone | 26.1 | 0.2 | 25.4 | 0.7 | 26.7 | 0.8 | No |
| Carpooled | 31.4 | 0.7 | 29.4 | 2.9 | 32.0 | 2.7 | No |
| Transit | 52.2 | 0.7 | 53.1 | 2.7 | 54.3 | 2.8 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 18.4 | 0.8 | 18.7 | 2.6 | 18.7 | 2.3 | No |
Notes:
* The coefficient of variation (CV) can be derived by the standard error (SE) divided by the estimate, while SE = MOE/1.645.
** The z-value of the difference of the two estimates are used to determined if the two estimates are significantly different at 90% confidence level.
1 Census 2000 SF3 Table P1; 2007-2009 ACS Table B01003; 2010-2012 ACS Table B01003
2 Census 2000 SF3 Table P9; 2007-2009 ACS Table B09016; 2010-2012 ACS Table B01003 minus Table B26001
3 Census 2000 SF3 Table P10; 2007-2009 ACS Table B19001; 2010-2012 ACS Table B19001
4 Census 2000 SF3 Table P9 divided Census 2000 SF3 Table P10; 2007-2009 ACS Table B09016 divided 2007-2009 ACS Table B19001; 2010-2012 ACS Table S1101
5 CTPP2000 Table 1-090; 2007-2009 ACS Table B19025; 2010-2012 ACS Table B19025
6 Census 2000 SF3 Table H46; 2007-2009 ACS Table B25046; 2010-2012 ACS Table B25046
7 Census 2000 SF3 Table P87; 2007 -2009 ACS Table B17001; 2010-2012 ACS Table B17001
8 Census 2000 SF3 Table P6; 2007-2009 ACS Table B02001; 2010-2012 ACS Table B02001
9 Census 2000 SF3 Table P8; 2007-2009 ACS Table B01001; 2010-2012 ACS Table B01001
10 Census 2000 SF3 Table P21; 2007-2009 ACS Table B06003; 2010-2012 ACS Table B06003
11 Census 2000 SF3 Table P43; 2007-2009 ACS Table B23001; 2010-2012 ACS Table B23025
12 Residence place information is from CTPP2000 Table 1-002; 2007- 2009 ACS Table B08301; 2010-2012 ACS Table B08301. Workplace information is from CTPP2000 Table 2-002; 2007-2009 ACS Table B08406; 2010-2012 ACS Table B08601
13 CTPP2000 1-118; 2007-2009 ACS Table C08136; 2010-2012 ACS Table C08136
